Chillies of the kind used in Morrisons' new volcanic vindaloo are so hot that they have been used to develop tear gas grenades and come with a warning.

The chicken dish is aimed at lovers of Indian cuisine who find supermarket curries a little too bland. Derby curry lovers have been lapping it up.

It even comes with a warning label to deter the unwary and its creators have recommended that only those aged over 16 should try eating it.

The first batch at the Meteor Centre store sold out within 48 hours. A fresh delivery was expected on Tuesday night but stocks of the lava-like ready meal are limited.

What gives it much of its fire is the paste made from naga chillies - among the world's hottest. So powerful are these chillies that some varieties have been used to develop tear gas grenades of the kind used to disperse crowds during riots. They can be up to 200 times hotter than Tabasco sauce or jalapeno peppers.

If that wasn't enough, Morrisons has included whole green chillies that have been roasted for a fuller flavour. The supermarket claims it has produced the UK's hottest supermarket curry.

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Feeling a bit peckish or thirsty?

Sean Gill, Morrisons ready-meals expert, said: "Curry fans have been telling us that they just don’t get the fiery heat they want from ordinary ready-meal curries.

"So we decided to take up their challenge and create the hottest ready meal in the country – something with the extreme heat you get when you order a vindaloo in your favourite restaurant. We’re looking forward to hearing what they think.”

The curry was introduced for National Curry Week and is priced at £1.50.

Four members of Derby Telegraph staff tested out the dish.

News editor Carl Slater was the first to sample the supposedly “volcanic” curry.

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Deputy digital editor Chris Mallett was the last to try the apparently flaming hot meal: “It has nice chicken and flavoursome sauce. I woudn’t say it was that hot, I can feel a bit of burning but I’ve had much hotter.

“I think it’s a bit of an overstatement to put the pictures of flames on the outside of the packaging. It’s just a hot curry.

However, Carl later had a bit of an afterthought: “Actually, there is a bit of an after-burn there!”